// Copyright 2016 PDFium Authors. All rights reserved.
|
// Use of this source code is governed by a BSD-style license that can be
|
// found in the LICENSE file.
|
|
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
|
|
#include "core/fpdfdoc/cpvt_fontmap.h"
|
|
#include "core/fpdfapi/fpdf_font/include/cpdf_font.h"
|
#include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h"
|
#include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
|
#include "core/fpdfdoc/doc_utils.h"
|
|
CPVT_FontMap::CPVT_FontMap(CPDF_Document* pDoc,
|
CPDF_Dictionary* pResDict,
|
CPDF_Font* pDefFont,
|
const CFX_ByteString& sDefFontAlias)
|
: m_pDocument(pDoc),
|
m_pResDict(pResDict),
|
m_pDefFont(pDefFont),
|
m_sDefFontAlias(sDefFontAlias),
|
m_pSysFont(nullptr),
|
m_sSysFontAlias() {}
|
|
CPVT_FontMap::~CPVT_FontMap() {}
|
|
void CPVT_FontMap::GetAnnotSysPDFFont(CPDF_Document* pDoc,
|
const CPDF_Dictionary* pResDict,
|
CPDF_Font*& pSysFont,
|
CFX_ByteString& sSysFontAlias) {
|
if (!pDoc || !pResDict)
|
return;
|
|
CFX_ByteString sFontAlias;
|
CPDF_Dictionary* pFormDict = pDoc->GetRoot()->GetDictBy("AcroForm");
|
CPDF_Font* pPDFFont = AddNativeInterFormFont(pFormDict, pDoc, sSysFontAlias);
|
if (!pPDFFont)
|
return;
|
|
if (CPDF_Dictionary* pFontList = pResDict->GetDictBy("Font")) {
|
if (!pFontList->KeyExist(sSysFontAlias))
|
pFontList->SetAtReference(sSysFontAlias, pDoc, pPDFFont->GetFontDict());
|
}
|
pSysFont = pPDFFont;
|
}
|
|
CPDF_Font* CPVT_FontMap::GetPDFFont(int32_t nFontIndex) {
|
switch (nFontIndex) {
|
case 0:
|
return m_pDefFont;
|
case 1:
|
if (!m_pSysFont) {
|
GetAnnotSysPDFFont(m_pDocument, m_pResDict, m_pSysFont,
|
m_sSysFontAlias);
|
}
|
return m_pSysFont;
|
default:
|
return nullptr;
|
}
|
}
|
|
CFX_ByteString CPVT_FontMap::GetPDFFontAlias(int32_t nFontIndex) {
|
switch (nFontIndex) {
|
case 0:
|
return m_sDefFontAlias;
|
case 1:
|
if (!m_pSysFont) {
|
GetAnnotSysPDFFont(m_pDocument, m_pResDict, m_pSysFont,
|
m_sSysFontAlias);
|
}
|
return m_sSysFontAlias;
|
default:
|
return "";
|
}
|
}
|
|
int32_t CPVT_FontMap::GetWordFontIndex(uint16_t word,
|
int32_t charset,
|
int32_t nFontIndex) {
|
ASSERT(false);
|
return 0;
|
}
|
|
int32_t CPVT_FontMap::CharCodeFromUnicode(int32_t nFontIndex, uint16_t word) {
|
ASSERT(false);
|
return 0;
|
}
|
|
int32_t CPVT_FontMap::CharSetFromUnicode(uint16_t word, int32_t nOldCharset) {
|
ASSERT(false);
|
return FXFONT_ANSI_CHARSET;
|
}
|